public void ItDoesntThrowsWhenBigEnough()
{
ValidationRule <string> sut = GetSut("aaa", "Var");
sut.MinLength(2);
}
public void ItThrowsWhenTooSmall()
{
ValidationRule <string> sut = GetSut("aaa", "Var");
Assert.Throws <ArgumentOutOfRangeException>(() => sut.MinLength(10));
}